16220343 has 8 divisors (see below), whose sum is σ = 21650800. Its totient is φ = 10801728.

The previous prime is 16220287. The next prime is 16220371. The reversal of 16220343 is 34302261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16220343 - 2¹⁰ = 16219319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (2706350).

Almost surely, 2^16220343 is an apocalyptic number.

16220343 is a deficient number, since it is larger than the sum of its proper divisors (5430457).

16220343 is a wasteful number, since it uses less digits than its factorization.

16220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 16220343 is about 4027.4486961351. The cubic root of 16220343 is about 253.1356685642.

The spelling of 16220343 in words is "sixteen million, two hundred twenty thousand, three hundred forty-three".